Bicycle frame with improved structure

结构改进的自行车车架

Abstract

A bicycle frame with improved structure is provided, which comprises an upper tube, a lower tube, a medium tube, a seat stay and a chain stay. The combination part of the upper tube, the seat stay and the medium tube is provided with a connecting tube comprising an upper tube copulae, a seat stay copulae and a medium extension hole for one end of the upper tube, one end of the seat stay and one end of the medium tube to joint and stick solidly; the other end of the upper tube and the other end of the lower end extend out a sleeve part and a head tube part all in one for jointing and sticking solidly with each other; the bottom end of the medium tube extends out of a bottom bracket part with a five-way axle hole, a lower tube copulae and a chain stay copulae for the lower tube and the chain stay to joint and stick solidly to form the frame. The frame can be directly combined and assembled with each other by socket joint and sticking solidly without any welding to ensure fast assembly and locating of the integration and effectively reduce the assembly cost.
一种结构改进的自行车车架,包括上管、下管、中管、后上叉及后下叉,上述上管、后上叉及中管结合处是搭设有一包括上管接合部、后上叉接合部及中管穿伸孔的连接管件,可分别供上管、后上叉及中管一端套接黏固,同时上管与下管另端分别一体延伸有一套管部与头管部,可供相互套接黏固,且该中管底端一体延伸有一具五通轴孔及下管接合部、后下叉接合部的五通管部,可供下管、后下叉套接黏固,以组成一车架;该车架不需任何焊接作业,即能直接以套接黏固方式相互结合组装,使整体组装定位快速,且有效降低组装成本。

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Cited By (3)

    Publication numberPublication dateAssigneeTitle
    CN-103847892-AJune 11, 2014苏州天健竹业科技有限公司一种新型自行车车架勾爪类部件
    CN-104477304-AApril 01, 2015天津轮翼运动器材有限公司一种拼接式后轴叉架的皮带轮自行车
    CN-104843125-AAugust 19, 2015天津市轮拓创展科技有限公司一种免焊自行车车架